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2000ApJ...536..865F - Astrophys. J., 536, 865-874 (2000/June-3)
Deep radio imaging of globular clusters and the cluster pulsar population.
FRUCHTER A.S. and GOSS W.M.
Abstract (from CDS):
The image of the rich cluster Terzan 5 displays numerous point sources within 30", or 4 core radii, of the cluster center. The density of these objects rises rapidly toward the core, where an elongated region of emission is found. This feature may be due to the presence of a higher density of point sources than can be resolved by the 1" resolution of our data. The brightest individual sources, as well as the extended emission, possess the steep spectra expected of pulsars. Furthermore, the flux distribution of the sources agrees well with the standard pulsar luminosity function. The total luminosity and number of objects observed suggest that Terzan 5 contains more pulsars than any other Galactic globular cluster.
Abstract Copyright: ∼
Journal keyword(s): Galaxy: Globular Clusters: General - Radio Continuum: Stars
Nomenclature: Table 1: [FG2000] Terzan 5 W (Nos N, S), [FG2000] Terzan 5 W' (No. N'), [FG2000] Terzan 5 A (No. C). Tables 2, 4: [FG2000] JHHMMSS.ss+DDMMSS.s N=4. Table 3: [FG2000] 47 Tuc N (Nos 1-3).
Errata: Erratum vol. 551, p. 597 (2001)
CDS comments: Table 3: 47 Tuc C and D = PSR J0024-72C and PSR J0024-72D.
Simbad objects: 21